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Subtract 6/40 from 7/54

7/54 - 6/40 is -11/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 40 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    7/54 = 7 × 20/54 × 20 = 140/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    6/40 = 6 × 27/40 × 27 = 162/1080
  4. Subtract the two like fractions:
    140/1080 - 162/1080 = 140 - 162/1080 = -22/1080
  5. After reducing the fraction, the answer is -11/540

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